NAR300 system for high temperature
Installation
Hauser
23
5.1.2
Dimensions of Ex d [ia] transmitter NRR261
Only NRR261 with TIIS and JPN Ex explosion-proof specifications are delivered with a
cable gland (external diameter of compatible cables: φ12 to 16 mm (0.47 to 1.02 in))
Use the order code of Ex d [ia] transmitter NRR261 to specify the electrical conduit
connection port.
Normally, Ex d [ia] transmitter NRR261 is mounted on a tank yard's pipe and secured in
place with a U-bolt (JIS F 3022 B 50 type). It can also be mounted directly onto wall
surfaces (requires 4-φ12 mm (0.47 in) holes and M10 securing nuts and bolts (not
included in the delivery)).
20 (0.79)
347 (13.66)
269 (10.6)
150 (5.91)
43 (1.69)
105
(4.13)
296 (11.65)
1
2
3
4
195 (7.68)
120 (4.72)
74 (2.91)
114 (4.49)
279 (10.98)
205 (8.07)
A0039880
12
Outline of NRR261. Unit of measurement mm (in)
1
Ex d side terminal
2
Ex [ia] side terminal
3
U-bolt (JIS F3022 B50 material: Iron (chromate), 2 nuts and 2 flat washers included)
4
4-φ12 holes
